#title {
    text-align: center;
}

body.theme-6 {
    background: #0f1112 url(/image/body_theme6_bg.png) repeat;
    color: #666;
}

.content-wrapper {
    width: 800px;
    margin: 0 auto;
    font-size: 24px;
    line-height: 1.8;
}

.page {
    margin-top: 20px;
    text-align: center;
}

.page > span {
    padding: 0 10px;
}

.chapter-item {
    float: left;
    list-style: none;
    width: 300px;
    font-size: 13px;
    line-height: 30px;
    padding-left: 10px;
    box-sizing: border-box;
}

.chapter-item > a {
    text-decoration: none;
}

.container.book {
    width: 900px;
    margin: 0 auto;
}

.container.book .intro {
    display: flex;
    margin-bottom: 20px;
}

.container.book .cover {
    margin-right: 20px;
}